author | rkennke |
Thu, 04 Jul 2019 14:28:31 +0200 | |
changeset 55587 | 4644b3155fce |
parent 55538 | 4077a625a01f |
child 55606 | 78a2b1bb15cf |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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|
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/* |
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* @test TestVerifyJCStress |
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* @summary Tests that we pass at least one jcstress-like test with all verification turned on |
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* @key gc |
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* @requires vm.gc.Shenandoah & !vm.graal.enabled |
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* @modules java.base/jdk.internal.misc |
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* java.management |
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions |
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* -XX:+UseShenandoahGC -Xmx1g -Xms1g |
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* -XX:+ShenandoahVerify -XX:+VerifyObjectEquals |
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* -XX:ShenandoahGCMode=passive -XX:+ShenandoahDegeneratedGC |
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* TestVerifyJCStress |
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* |
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions |
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* -XX:+UseShenandoahGC -Xmx1g -Xms1g |
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* -XX:+ShenandoahVerify -XX:+VerifyObjectEquals |
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* -XX:ShenandoahGCMode=passive -XX:-ShenandoahDegeneratedGC |
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* TestVerifyJCStress |
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* |
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions |
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* -XX:+UseShenandoahGC -Xmx1g -Xms1g |
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* -XX:+ShenandoahVerify -XX:+VerifyObjectEquals -XX:+ShenandoahVerifyOptoBarriers |
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* -XX:ShenandoahGCHeuristics=adaptive |
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* TestVerifyJCStress |
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* |
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions |
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* -XX:+UseShenandoahGC -Xmx1g -Xms1g |
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* -XX:+ShenandoahVerify -XX:+VerifyObjectEquals -XX:+ShenandoahVerifyOptoBarriers |
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* -XX:ShenandoahGCHeuristics=static |
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* TestVerifyJCStress |
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* |
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions |
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* -XX:+UseShenandoahGC -Xmx1g -Xms1g |
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* -XX:+ShenandoahVerify -XX:+VerifyObjectEquals -XX:+ShenandoahVerifyOptoBarriers |
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* -XX:ShenandoahGCMode=traversal |
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* TestVerifyJCStress |
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*/ |
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|
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.util.concurrent.locks.*; |
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public class TestVerifyJCStress { |
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public static void main(String[] args) throws Exception { |
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ExecutorService service = Executors.newFixedThreadPool( |
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2, |
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r -> { |
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Thread t = new Thread(r); |
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t.setDaemon(true); |
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return t; |
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} |
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); |
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for (int c = 0; c < 10000; c++) { |
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final Test[] tests = new Test[10000]; |
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for (int t = 0; t < tests.length; t++) { |
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tests[t] = new Test(); |
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} |
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Future<?> f1 = service.submit(() -> { |
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IntResult2 r = new IntResult2(); |
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for (Test test : tests) { |
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test.RL_Us(r); |
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} |
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}); |
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Future<?> f2 = service.submit(() -> { |
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for (Test test : tests) { |
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test.WLI_Us(); |
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} |
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}); |
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f1.get(); |
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f2.get(); |
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} |
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} |
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public static class IntResult2 { |
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int r1, r2; |
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} |
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public static class Test { |
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final StampedLock lock = new StampedLock(); |
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int x, y; |
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109 |
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public void RL_Us(IntResult2 r) { |
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StampedLock lock = this.lock; |
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long stamp = lock.readLock(); |
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r.r1 = x; |
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r.r2 = y; |
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lock.unlock(stamp); |
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} |
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117 |
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public void WLI_Us() { |
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try { |
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StampedLock lock = this.lock; |
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long stamp = lock.writeLockInterruptibly(); |
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x = 1; |
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y = 2; |
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lock.unlock(stamp); |
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} catch (InterruptedException e) { |
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throw new RuntimeException(e); |
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} |
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} |
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} |
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} |